• cross central line - 引用次数：2

  For calibration of shaft cross central line,traditional instrument cannot be erected due to limitations of site conditions,it proved quick,accurate and effective to apply RTK,electric total station,data recorder and fourth order traverse measurement method to indirectly determine the cross central line.

  在井筒十字中心线恢复标定工程中,由于现场条件限制,传统仪器无法架设,通过RTK、电子全站仪及电子手簿等手段和四等导线测量方法间接测定井筒十字中线点,快速精准,效果显著。

  参考来源 - 井筒十字中心线恢复标定方法探讨

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